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Carbon emissions drop by as much as 85 percent.
Instead of parking for hours to charge, the dolly is designed to be swapped at highway hubs, with the exchange taking under five minutes.
According to Bloomberg, the 3 million registered heavy-duty freight trucks in the US each cover roughly 60,000 miles (96,561 km) per year, contributing to a $900 billion market and around 300 million tons of carbon dioxide annually.
An earlier report from FleetOwner estimated potential savings of $25,000 per truck each year in fuel costs.
Subscription Model and Rollout
Revoy offers the dolly as a service with a subscription fee.
The company received regulatory approval from the National Highway Traffic Safety Administration in 2023 and completed a yearlong pilot with Ryder System Inc. in 2024.
Its first commercial operation starts in 2026 in Oregon, with an initial fleet of four dollies covering a 200-mile stretch near Portland.
Revoy has raised $27 million in its latest funding round, bringing total funding to $41 million.
The company is developing a cheaper second-generation dolly with a smaller battery and the same 200-mile EV range, aiming to have dozens of units running US routes by late 2027.
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For now, Revoy is focused on the US, though CTO Ian Rust hopes the technology can eventually reach other markets.
